adcapp
This is a tool to read all the available ADC channels.
A raw value is read from each of the channels.
Updated LICENSE file to cover all source files and
removed file specific licenses at the top of some
of the files.
Signed-off-by: Hongwei Zhang <hongweiz@ami.com>
Change-Id: I3c1b389c0d91bccfc3ee93bccfe04137d7ea9960
Signed-off-by: Kiran Kumar <kirank@ami.com>
diff --git a/hongweiz/adcapp/src/adcapp.c b/hongweiz/adcapp/src/adcapp.c
new file mode 100644
index 0000000..b7b2e44
--- /dev/null
+++ b/hongweiz/adcapp/src/adcapp.c
@@ -0,0 +1,105 @@
+/*****************************************************************
+ *
+ * adcapp.c
+ * application to acess ADC adriver
+ *
+ * Author: Rama Rao Bisa <ramab@ami.com>
+ *
+ * Copyright (C) <2019> <American Megatrends International LLC>
+ *
+ *****************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <sys/select.h>
+#include <sys/ioctl.h>
+#include <sys/poll.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include "EINTR_wrappers.h"
+#include "adc.h"
+#include "adcifc.h"
+
+typedef enum {
+ GET_ADC_VALUE,
+ END_OF_FUNCLIST
+
+}e_adc_actions;
+
+e_adc_actions action = END_OF_FUNCLIST;
+
+static void ShowUsuage ( void )
+{
+ printf ("ADC Test Tool - Copyright (c) 2009-2015 American Megatrends Inc.\n");
+ printf( "Usage : addapp NumOfMaxChannels <option> \n" );
+ printf( "option: \n" );
+ printf( "\t--read-adc-channel \tGet ADC value for all the ADC channels\n" );
+ printf( "\n" );
+}
+
+static int process_arguments( int argc, char **argv )
+{
+ int i=2;
+ if( strcmp( argv[ i ], "--read-adc-channel" ) == 0 )
+ {
+ action = GET_ADC_VALUE;
+ }
+ else
+ {
+ action = END_OF_FUNCLIST;
+ }
+ return 0;
+}
+
+int
+main ( int argc , char* argv [] )
+{
+
+ get_adc_value_t get_adc_value;
+ int max_adc_channels;
+ int i,ret_val;
+ unsigned short reading=0;
+ if ( !(argc >= 3 ) )
+ {
+ ShowUsuage () ;
+ return 0;
+ }
+ max_adc_channels = (unsigned char)strtol( argv[1], NULL, 10);
+ process_arguments( argc , argv);
+ if ( (END_OF_FUNCLIST == action))
+ {
+ ShowUsuage ();
+ return 0;
+ }
+
+ switch ( action )
+ {
+ case GET_ADC_VALUE:
+ for (i = 0; i < max_adc_channels; i++)
+ {
+ get_adc_value.channel_num = i;
+ get_adc_value.channel_value = 0;
+
+ ret_val = get_adc_val(get_adc_value.channel_num, &reading);
+
+ if (ret_val == -1)
+ {
+ printf ("Read ADC channel failed\n");
+ return -1;
+ }
+ printf ("ADC Channel Value =%5d for channel %d\n", reading, get_adc_value.channel_num);
+ }
+ break;
+
+ default:
+ printf("Invalid ADC Function Call ");
+ break;
+ }
+
+ return 0;
+}